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Finding the Fourth Proportional to 122,204.40, 183,306.60 and 43,326.60

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Solution

The fourth proportional to 122,204.40, 183,306.60 and 43,326.60 is: 64,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,204.40 : 183,306.60 = 43,326.60 : x
  2. Step 2: Convert to fraction form
    122,204.40/183,306.60 = 43,326.60/x
  3. Step 3: Cross multiply
    122,204.40x = 183,306.60 × 43,326.60
  4. Step 4: Simplify right side
    122,204.40x = 7,942,051,735.56
  5. Step 5: Solve for x
    x = 7,942,051,735.56/122,204.40
  6. Step 6: Final answer
    x = 64,989.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.